TWM520234U - Cart-type lawn mower - Google Patents

Description

Cart mower

This creation is related to lawn mowers, especially a cart mower.

Taiwan's new pp. 375, 863 and 488,204 discloses a stroller mower, wherein the steerable cart mower disclosed in the '488 patent is by the steering base of the frame 20 and the steering chassis of the wheel frame. Cooperating, the operator can rotate the steering base of the frame by operating the handle frame, so that the power unit mounted on the frame and the steering chassis of the wheel frame can move relative to each other, and the cutter of the power unit and the lawn mower can be driven. The direction produces an angle between the predetermined angles.

No. 488204 only discloses that the cart mower can perform a rotary motion in a limited angle, but cannot perform a 360-degree rotational motion in a smooth or counter-clockwise manner, and thus cannot provide an effective and rapid direction change.

In addition, when the cart is currently being turned by the lawn mower, the wheel surface of the steering wheel cannot be smoothly steered, and the steering wheel is dragged laterally, causing the steering to be unsatisfactory.

In view of the above-mentioned deficiencies, the created cart mower can be smoothly rotated to avoid the steering wheel being laterally pulled when steering, so that the operator can smoothly and freely rotate the cart mower.

In order to achieve the above object, the cart type lawn mower of the present invention comprises a cart frame, a mowing device, a fixing rod, a steering device and a wheel set. The mowing device comprises a power unit, a connecting rod and a turntable. The power unit is fixed to the cart frame. The two ends of the connecting rod are respectively connected with the power unit and the turntable. The power unit drives the turntable to operate. The fixed rod connects the connecting rod. The steering device is coupled to the fixed rod and is rotatable relative to the fixed rod. The wheel set includes an axle and at least one steering wheel. The axle is coupled to the steering device and is spaced from the stationary rod. The steering wheel is coupled to the axle and is in a vertical relationship with the steering device.

In this way, since the axle is deviated from the rotation axis of the steering device, the treadmill of the trolley mower can smoothly and keep in contact with the ground during steering, so as to prevent the steering wheel from being pulled laterally and affecting the steering. Smooth.

The detailed construction, features, assembly or use of the cart mower provided with this creation will be described in the detailed description of the subsequent embodiments. However, those of ordinary skill in the art should understand that the detailed description and specific embodiments of the present invention are merely used to illustrate the present invention and are not intended to limit the scope of the patent application.

10‧‧‧Trolley mower

11‧‧‧ cart rack

111‧‧‧Handlebar

113‧‧‧Support table

115‧‧‧Turn the wheel

13‧‧‧Mow cutting device

131‧‧‧Power unit

133‧‧‧ Connecting rod

135‧‧‧ Turntable

15‧‧‧Fixed rod

151‧‧‧First connecting piece

153‧‧‧Second connection piece

155, 156‧‧‧ bolts

17‧‧‧Steering device

171‧‧‧Support film

1711‧‧‧ front side

1713‧‧‧ Back side

173‧‧‧ bearing

19‧‧‧ Wheel set

191‧‧·Axle

193‧‧‧Steering wheel

20‧‧‧virtual level

Figure 1 is a schematic illustration of an embodiment of the cart type lawn mower of the present invention.

Fig. 2 is an enlarged schematic view showing the connecting rod, the fixing rod, the steering device and the wheel set of the mowing device in Fig. 1.

Figure 3 is a side elevational, perspective view of the fixed rod, steering device and wheel set of Figure 2;

Fig. 4 is a rear enlarged view of the fixed lever, the steering device, and the wheel set in Fig. 2.

Hereinafter, the components of the cart type lawn mower of the present invention and the achievement of the effect will be described with reference to the preferred embodiments of the drawings. However, the components, dimensions, and appearance of the cart mower in each of the drawings are only used to illustrate the technical features of the present creation, and are not intended to limit the creation.

As shown in FIG. 1, the cart type lawn mower 10 of the present invention includes a cart frame 11, a mowing device 13, a fixing rod 15, a steering device 17, and a wheel set 19. The cart frame 11 includes a handle bar 111, a support table 113 and two push wheels 115. The handlebar 111 is coupled to the support table 113. The two push wheels 115 are respectively connected to the support table 113 and are rotatable relative to the support table 113.

Wherein, the handle bar 111 can be inclined relative to the support table 113 by the pivot 112 at the bottom thereof, but in practice, the handle bar 111 is not limited to the adjustable inclination.

In practice, the composition and structure of the cart frame 11 are well known in the art. Therefore, the structure of the cart frame 11 of the cart type lawn mower 10 of the present invention is not limited to the embodiment.

The mowing device 13 is fixedly coupled to the support table 113 and includes a power The unit 131, a link 133 and a turntable 135. The power unit 131 is fixed to the support table 113 of the cart frame 11. Both ends of the connecting rod 133 are connected to the power unit 131 and the turntable 135, respectively. The power unit 131 drives the turntable 135 to operate. In practice, the turntable 135 can be mounted with a cutter or a mowing rope, etc., so that the rotating turntable 135 can simultaneously rotate the cutter or the mowing rope to perform the mowing operation. The composition and operation of the mowing device 13 are well known in the art. Therefore, the composition of the power unit 131 and the connection and driving relationship with the turntable 135 are not described herein, and the mowing device of the present invention is not implemented in this embodiment. The examples are limited.

The fixing rod 15 is connected to the connecting rod 133, and the connecting manner thereof can be directly connected to the connecting rod or the indirect connecting link 133. The direct connection method can utilize welding. The indirect connection mode is as shown in FIG. 2. The cart type lawn mower 10 of the present invention further includes a first connecting piece 151 and a second connecting piece 153. The first and second connecting pieces 151 and 153 are respectively clamped to the connecting rod 133. The first and second connecting pieces 151 and 153 are fixed by two bolts 155 and 156. Thus, the positions of the first and second connecting pieces 151 and 153 on the connecting rod 133 can be loosened by two bolts 155 and 156. It is moved to improve the convenience of adjustment.

Although the welding, the connecting piece and the bolt are described in the embodiment to fix the fixing rod 15 to the connecting rod 133 stably, the connecting manner of the fixing rod 15 and the connecting rod 133 may be other manners, so the fixing rod 15 may be adopted. The connection between the link 133 and the link 133 is not limited to the embodiment.

Referring to FIG. 3, the steering device 17 is coupled to the fixed rod 15 and is rotatable relative to the fixed rod 15. The wheel set 19 is connected to the steering device 17. The wheel set 19 includes an axle 191 and two steering wheels 193. The axle 191 is coupled to the steering device 17 and is spaced from the fixed rod 15. The two steering wheels 193 are respectively coupled to the two terminals of the axle 191. The two steering wheels 193 are in a vertical relationship with the steering device 17, respectively.

However, if the steering device 17 is not absolutely parallel with the virtual horizontal plane 20 in the space, the steering device 17 and the two steering wheels 193 are not in an absolutely vertical relationship, so the relationship between the two steering wheels 193 and the steering device 17 is not absolutely vertical. To be limited, the vertical relationship between the two steering wheels 193 and the steering device 17 is limited to plus or minus 10 degrees.

Referring to Figures 3 and 4 together, the connection of the steering device 17 to the axle 191 can be welded, but not limited thereto. The steering device 17 includes a support piece 171 and an axle. Cheng 173. The support piece 171 has a front side 1711 and a rear side 1713. The bearing 173 is connected to the support piece 171 and adjacent to the front side 1711 of the support piece 171. The fixing rod 15 is connected to the bearing 173. The axle 191 is coupled to the support piece 171 and adjacent to the rear side 1713 of the support piece 171.

The connection relationship between the support piece 171, the bearing 173, and the axle 191 is fixed. However, the support piece 171 changes its front side 1711 and the rear side 1713 as it rotates. Therefore, the front side 1711 and the rear side 1713 of the support piece 171. The relative position of the bearing 173 and the axle 191 can be explained with the difference in the placement angle.

Thus, since the rotational axis of the steering device 17, that is, the rotational axis of the bearing 173 is spaced from the rotational axis of the axle 191, that is, the rotational axis of the axle 191 is offset from the rotational axis of the steering device 17, this creation When the lawn mower is turning, the two steering wheels 193 can smoothly rotate with the steering device 17, so that the treads of the two steering wheels 193 are kept in contact with the ground to prevent the two steering wheels 193 from being pulled laterally. And caused a smooth turn.

Finally, it is emphasized that the constituent elements disclosed in the foregoing embodiments are merely illustrative and are not intended to limit the scope of the present invention. The substitution or variation of other equivalent elements should also be the scope of the patent application of the present application. Covered.

10‧‧‧Trolley mower

11‧‧‧ cart rack

111‧‧‧Handlebar

113‧‧‧Support table

115‧‧‧Turn the wheel

13‧‧‧Mow cutting device

131‧‧‧Power unit

133‧‧‧ Connecting rod

135‧‧‧ Turntable

15‧‧‧Fixed rod

17‧‧‧Steering device

19‧‧‧ Wheel set

Claims (3)

A cart type lawn mower comprising: a cart frame; a mowing device comprising a power unit, a connecting rod and a turntable, the power unit being fixed on the cart frame, the two ends of the connecting rod Connecting the power unit and the turntable respectively, the power unit driving the turntable; a fixing rod connecting the connecting rod; a steering device connecting the fixing rod and rotatable relative to the fixing rod; and a wheel set, The utility model comprises a wheel axle and at least one steering wheel, wherein the axle shaft is connected to the steering device and is spaced apart from the fixing rod, the steering wheel wheel is connected to the axle shaft and is in a vertical relationship with the steering device. The cart type lawn mower according to claim 1, wherein the steering device comprises a support piece and a bearing, the support piece has a front side and a rear side, and the bearing is connected to the support piece, and Located on the front side of the support piece, the fixed rod is connected to the bearing, and the axle is connected to the support piece and adjacent to the rear side of the support piece. The cart type lawn mower according to claim 1, further comprising a first connecting piece and a second connecting piece, wherein the first connecting piece and the second connecting piece are clamped on the connecting rod, The fixing rod is connected to the first connecting piece.